Endpoints: 28,729MCP servers: 18,413Payout addresses: 2,070Paid calls: 1,530Letters: 13Defects: 1,322counted just now
teppi

MCP servernet.isitdns/isitdns

Is it DNS?
Read moreIs it DNS? Audit a site or domain that isn't working: one call says if it resolves and why. No key.
UNRATEDActivestreamable-httpisitdns.net

Overview

Score?
UNRATED 0.692
of what a free look can see, on 20 looks
Looks
24
last 5 hr ago
Tools
8
changed 4 days ago

More info

URL
isitdns.net/mcp
streamable-http
Says it is
isitdns 2026-09-28.37
protocol 2025-06-18
In the record since
22 days ago

Among servers18,413 with a card

0median 0.606 · this server 0.692 · highest on record 0.8561

Toolsfrom sha256:e9410b4a97…73e774 · +1 −5 4 days ago

The tools this server lists, read out of the definition it returned
ToolSchema
alias_chain
Use when a name is a CNAME and the person asks where it leads. Returns each hop with its target and TTL, and how it ends: addresses, none, a resolver failure, NXDOMAIN (dangling),
input · no output
check_domain
Use when a domain or website is not working or not resolving (is it DNS?): one call. The first line says whether the name resolves; then the eleven-check audit of its zone, each ro
 input · no output
dig
Use for one exact question to one public resolver, not as the first call for a site that is not working. Returns records, flags, rcode, EDE and latency; DoH from the edge, or Do53
input · no output
dnssec_chain
Use when a name fails validation or the person asks whether its DNSSEC chain holds. Returns each signed zone cut from the root to the answer and the first link that breaks, or wher
 input · no output
path_receipt added
Use when the person wants proof of what their resolver sends. First call: one dig to run. Second, with the nonce: what we saw (resolver address, UDP/TCP, DO, CD, EDNS size, cookie,
 input · no output
registration
Use when a domain has vanished from DNS and the person asks whether it expired or is on hold. Returns the registry's RDAP statuses and what each means for resolution, the dates and
 input · no output
sweep_domain
Use after a zone change, when the person asks whether the authoritative servers agree. Returns each nameserver's answer to each name and type you list, the disagreements, lame or s
 input · no output
trace
Use when the person wants to walk the delegation for a name, root to authoritative, like dig +trace. Returns each referral and glue, lame or unreachable servers, the final answer a
 input · no output
dns_events removed
Days when several resolvers were unhealthy at once, as episodes: when each began, how long it ran, how many resolvers were affected at the peak, and which. Give the person the api:
 —
ksk_board removed
The RFC 8509 root key sentinel across the public resolvers: which resolvers trust which root KSK, and the root DNSKEY set as read now. Give the person the api: and ask again: lines
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resolver_history removed
The incident record for the public resolvers: start time, duration and severity of each. Notable incidents by default; all=true includes short degradations. Windows where several o
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resolver_status removed
Is public DNS having trouble right now? Every public resolver isitdns watches, tier-1 first: one label each, each probe's timestamped reading (the question, the resolver address, t
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top_domains removed
The DNS health of the domains isitdns monitors, a list isitdns keeps, as of the last DAILY snapshot: rcode, addresses, DNSSEC and points, ordered by points, for each. Those come fr
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Verify it yourselfnpx teppi-check https://isitdns.net/mcpcurl -s https://api.teppi.xyz/v1/trust/mcp/mcs_01M29XADEHWXK45F3JF7285ZE9